Do you want to play an exciting and scary horror game? To continue the school horror game, TeachErr was born! This is a teacher simulation game in which you will get stuck in school at night. You'll have to get rid of the evil math teacher, Winston, and his evil dog, Boris, who can detect every move you make. You'll have to use your intelligence and deceive them to find a way out before the night becomes scary. You can survive and escape the trap of cruel guards.